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Leesha.C

Network Administrator

 8 years+
Experience

Expertise In

Driven Proxy, Firewalls, Network Administration with 8+ years of experience executing cutting-edge network solutions with a wide range of technical hardware and security skills. Able to leverage performance analysis experience to build higher quality network designs

Work Experience

S.No

Role
Time
Company

2.

3.

2021-Present

AlifCloud IT Consulting.Pvt.Ltd.

Lead Administrator

2020-2021

Network Administrator

2019-2020

Wipro

Fincare Small Finance Bank

1.

Administrator

SR. Network Engineer

Network Engineer

Network  Engineer

2018-2019

2017-2018

2014-2017

Softener India Pvt Ltd

Eagle Software India Pvt Ltd

Innovative Centre for Automation People

4.

5.

6.

Projects

Lead Administrator

  • Managing 40 Branches with Internet Zscaler GRE and Intranet thorough Azure Firewall via SDWAN

  • installed ZCC in 3000+ end users’ systems thorough SCCM

  • Established monitoring access with Read only through API

  • configuring URL & Cloud App Control , File Type Control , Bandwidth Control , SSL Inspection , Malware Protection

  • Configuring Forwarding Profile , Trusted Networks , App Profiles.

  • Monitoring Enrolled devices in Zscaler portal

  • Configuring Firewall Control , FTP Control

  • Configuring Authentication Settings , Authentication Profile , Identity Providers

  • Configuring User Management and creating Groups and departments , Roll Management

  • Configuring the GRE Tunnels, IPsec Tunnels, ZCC with V1.0 and V2.0

  • Configuring the location management, URL Categories

  • Configuring and updating PAC file

  • Sending Branch locations internet traffic with default route from Branch Edge routers and without Default route with PAC file

  • Sending remote users’ internet through ZCC

  • Analyzing Web Insights and Tunnel Insights with required filters

  • Deploying Zscaler GRE connectivity between Branches and ZEN

  • Installing ZCC in end users’ systems

  • troubleshooting end user internet communication issue

  • Established the connectivity between 40 Branch locations to Azure firewall via SDWAN for Intranet traffic

  • Established IPSEC connectivity between Azure and 10 Branch locations

  • Established Azure VPN connectivity for 300+ users for intranet traffic

  • Established DMZ connectivity from external to internal

  • Port opening in firewall with Change approva

  • l IPsec configuration if any new branch came

  • LAN to WAN Rules and WAN to LAN rules configuration.

Network Administrator

  • Managing more than 90 Branches through MPLS and more than 400 MFI Aruba AP devices through SSL VPN

  • Managing 5 corporate offices Firewalls , Routers and Switches Established connectivity from NPCI for UPI Application access Established connectivity through IPsec between Data Centers ( PI , FIS , IFTAS)

  • Worked on 5420 model in extreme switches for configuring VLAN and Spanning tree and port channels

  • Configured routes in the switches as per required gateway.

  • Firmware upgradation of Extreme switches and Cisco switches.

  • Worked on Cisco Firepower’s and SF Switches

  • Worked on Cisco Meraki

  • Taking Backup from all the switches and network devices

  • Implemented SOC Room for monitoring all Network devices Implemented NAC for authenticating users MAC address through Aruba

Sr. Network Engineer

  • Good knowledge on Zscaler proxy server to configure it the way to communicate application and database

  • Coordination with multiple vendors for network connectivity

  • Monthly DC to DR Activities

  • Implemented Print Server and enabled PIN Authentication for users Worked to give access Management on LDAP, storage issue such as NAS(Network Attached Storage), SAN(Storage Area Network), Volument Management using ssh or remote access, and for that we used to write script to get the work easy in short time Implemented Network Zoning in Datacenters

  • Implementing the SD-Wan solution in Fortigate Firewalls for Corporate locations Configuring the Performance SLA for the ILL to automate the best path in Sdwan

  • Configuring the IPSEC VPN over the SDWAN to get high-aviability and better Performance

  • Configured SD-WAN between Branches to Datacenters, Deployed on client location "Fincare Small Finance Bank" to work with Datacenters team

  • Managing more than 90 Branch’s through MPLS and more than 400 MFI Aruba AP devices through SSL VPN

  • Managing 5 corporate offices Firewalls , Routers and Switches Established connectivity from NPCI for UPI Application access Established connectivity through IPSec between Data Centers ( PI , FIS , IFTAS)

  • Implemented SOC Room for monitoring all Network devices Implemented NAC for authenticating users MAC address through Aruba

  • Clear Pass for getting network Access LAN and WIFI through Aruba Devices (Clear pass server, NAC Airwave, Mobility controller and Mobility Master)

  • Implemented Accops and Fortinet VPN Implemented GEO Blocking in All Firewalls

Network Engineer

  • I had worked for More than 10 NTPC clients for Powerplants

  • Redundancy Communication in all levels with different topologies Preparing Architecture with good IP range with Topologies

  • Time Synchronization for all PCS and Network Devices Technical Remote support to various sites through calls/Skype

  • Configuration special application like LVS annunciations etc.

  • Through net Api

  • Network planning and integration, Network troubleshooting and operations Configure MacAfee Antivirus server and connect to Clint PCs

  • Updating antivirus to All PCs using EPO

  • Configured Domain Controller Server and take all PCs in Domain

  • Implemented WAN Network with more than 50 Vehicle Registration offices with MPLS in DOTM Katmandu , Nepal

  • Daily Link Monitoring Configuration of Network Devices

  • Worked on Data center for Smart City Project in KMDS - Bangalore Configured multiple VLANs and Firewall HA configuration Implemented Print Server and enabled PIN Authentication for users Configured Syslog and NetFlow Configuration

Education

BCA , M.Sc(Computer Science)

Andhra Pradesh University

Skills

​Zscaler(ZIA),GRE,IPSEC,VPN,CCNA, CCNP, NAS, SAN, DNS, MySQL Firewalls : AZURE, Fortinet , Cisco ASA , Juniper , H3c , D-Link , Barracuda , Sophos L3 Switches : Cisco ASA Firewall, Cisco Firepower, Cisco SG and SF switches, Cisco Meraki, Cisco Duo, HP , L2 Switches : Cisco , HP , D-Link Routers : Cisco Good Understanding of OSI Model , TCP/IP Protocol HSRP , VRRP , HA ,Switch Security, Routing IP addressing & Sub netting VPN,DHCP, DNS & TELNET , SSH ,Syslog Well understanding of STP, RSTP, PVST, VTP & Trucking switch concepts. Routing & Switching protocols Routing Protocols (RIP,OSPF,EIGRP) Loopback ,ACL,NAT Spanning Tree Protocol , Port channels, SD-WAN

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